The bark of an older redwood tree is fireproof.
65
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Hot water can freeze faster than cold water.
181
For every gallon of sea water, you get more than a quarter pound of salt.
45
Research indicates that plants grow healthier when they are stroked.
173
Balsa wood is classified as a hard wood!
41
Most dust particles in your house are made from dead skin!
67